<?php
// $Id: template.php,v 1.39 2010/03/04 09:03:08 dries Exp $

/**
 * Return a themed breadcrumb trail.
 *
 * @param $breadcrumb
 *   An array containing the breadcrumb links.
 * @return a string containing the breadcrumb output.
 */
function go_breadcrumb($variables) {
	$breadcrumb = $variables['breadcrumb'];

	if (!empty($breadcrumb)) {
		// Provide a navigational heading to give context for breadcrumb links to
		// screen-reader users. Make the heading invisible with .element-invisible.
		$output = '<h2 class="element-invisible">' . t('You are here') . '</h2>';

		$output .= '<div class="breadcrumb">' . implode(' › ', $breadcrumb) . '</div>';
		return $output;
	}
}

/**
 * Override or insert variables into the maintenance page template.
 */
function go_preprocess_maintenance_page(&$vars) {
	// While markup for normal pages is split into page.tpl.php and html.tpl.php,
	// the markup for the maintenance page is all in the single
	// maintenance-page.tpl.php template. So, to have what's done in
	// go_preprocess_html() also happen on the maintenance page, it has to be
	// called here.
	go_preprocess_html($vars);
}

/**
 * Override or insert variables into the html template.
 */
function go_preprocess_html(&$vars) {
	// Toggle fixed or fluid width.
	if (theme_get_setting('garland_width') == 'fluid') {
		$vars['classes_array'][] = 'fluid-width';
	}
	// Add conditional CSS for IE6.
	drupal_add_css(path_to_theme() . '/fix-ie.css', array('weight' => CSS_THEME, 'browsers' => array('IE' => 'lt IE 7', '!IE' => FALSE), 'preprocess' => FALSE));
}

/**
 * Override or insert variables into the html template.
 */
function go_process_html(&$vars) {
	// Hook into color.module
	if (module_exists('color')) {
		_color_html_alter($vars);
	}
}

/**
 * Override or insert variables into the page template.
 */
function go_preprocess_page(&$vars) {
	$vars['tabs2'] = menu_secondary_local_tasks();
	if (isset($vars['main_menu'])) {
		$vars['primary_nav'] = theme('links__system_main_menu', array(
      'links' => $vars['main_menu'],
      'attributes' => array(
        'class' => array('links', 'main-menu'),
		),
      'heading' => array(
        'text' => t('Main menu'),
        'level' => 'h2',
        'class' => array('element-invisible'),
		)
		));
	}
	else {
		$vars['primary_nav'] = FALSE;
	}
	if (isset($vars['secondary_menu'])) {
		$vars['secondary_nav'] = theme('links__system_secondary_menu', array(
      'links' => $vars['secondary_menu'],
      'attributes' => array(
        'class' => array('links', 'secondary-menu'),
		),
      'heading' => array(
        'text' => t('Secondary menu'),
        'level' => 'h2',
        'class' => array('element-invisible'),
		)
		));
	}
	else {
		$vars['secondary_nav'] = FALSE;
	}

	// Prepare header.
	$site_fields = array();
	if (!empty($vars['site_name'])) {
		$site_fields[] = $vars['site_name'];
	}
	if (!empty($vars['site_slogan'])) {
		$site_fields[] = $vars['site_slogan'];
	}
	$vars['site_title'] = implode(' ', $site_fields);
	if (!empty($site_fields)) {
		$site_fields[0] = '<span>' . $site_fields[0] . '</span>';
	}
	$vars['site_html'] = implode(' ', $site_fields);

	// Set a variable for the site name title and logo alt attributes text.
	$slogan_text = $vars['site_slogan'];
	$site_name_text = $vars['site_name'];
	$vars['site_name_and_slogan'] = $site_name_text . ' ' . $slogan_text;
}

/**
 * Override or insert variables into the page template.
 */
function go_process_page(&$vars) {
	// Hook into color.module
	if (module_exists('color')) {
		_color_page_alter($vars);
	}
}

/**
 * Override or insert variables into the region template.
 */
function go_preprocess_region(&$vars) {
	if ($vars['region'] == 'header') {
		$vars['classes_array'][] = 'clearfix';
	}
}

/**
 * Returns the rendered local tasks. The default implementation renders
 * them as tabs. Overridden to split the secondary tasks.
 */
function go_menu_local_tasks() {
	return menu_primary_local_tasks();
}

function go_menu_tree(&$vars){
	
}